Home / 43,141.84-64,712.81-13,562.26

Finding the Fourth Proportional to 43,141.84, 64,712.81 and 13,562.26

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Solution

The fourth proportional to 43,141.84, 64,712.81 and 13,562.26 is: 20,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,141.84 : 64,712.81 = 13,562.26 : x
  2. Step 2: Convert to fraction form
    43,141.84/64,712.81 = 13,562.26/x
  3. Step 3: Cross multiply
    43,141.84x = 64,712.81 × 13,562.26
  4. Step 4: Simplify right side
    43,141.84x = 877,651,886.74
  5. Step 5: Solve for x
    x = 877,651,886.74/43,141.84
  6. Step 6: Final answer
    x = 20,343.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.